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server: add pubkey auth callback

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Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Aris Adamantiadis
2013-07-01 00:08:44 +02:00
committed by Andreas Schneider
parent 47a4eea827
commit 2ab7f2be75
2 changed files with 36 additions and 0 deletions
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23
include/libssh/callbacks.h
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@@ -182,6 +182,22 @@ typedef int (*ssh_auth_none_callback) (ssh_session session, const char *user, vo
typedef int (*ssh_auth_gssapi_mic_callback) (ssh_session session, const char *user, const char *principal,
void *userdata);
/**
* @brief SSH authentication callback.
* @param session Current session handler
* @param user User that wants to authenticate
* @param pubkey public key used for authentication
* @param signature_state SSH_PUBLICKEY_STATE_NONE if the key is not signed (simple public key probe),
* SSH_PUBLICKEY_STATE_VALID if the signature is valid. Others values should be
* replied with a SSH_AUTH_DENIED.
* @param userdata Userdata to be passed to the callback function.
* @returns SSH_AUTH_OK Authentication is accepted.
* @returns SSH_AUTH_PARTIAL Partial authentication, more authentication means are needed.
* @returns SSH_AUTH_DENIED Authentication failed.
*/
typedef int (*ssh_auth_pubkey_callback) (ssh_session session, const char *user, struct ssh_key_struct *pubkey,
char signature_state, void *userdata);
/**
* @brief Handles an SSH service request
@@ -247,6 +263,7 @@ typedef int (*ssh_gssapi_accept_sec_ctx_callback) (ssh_session session,
typedef int (*ssh_gssapi_verify_mic_callback) (ssh_session session,
ssh_string mic, void *mic_buffer, size_t mic_buffer_size, void *userdata);
/**
* This structure can be used to implement a libssh server, with appropriate callbacks.
*/
@@ -272,6 +289,12 @@ struct ssh_server_callbacks_struct {
* gssapi-mic method.
*/
ssh_auth_gssapi_mic_callback auth_gssapi_mic_function;
/** this function gets called when a client tries to authenticate or offer
* a public key.
*/
ssh_auth_pubkey_callback auth_pubkey_function;
/** This functions gets called when a service request is issued by the
* client
*/